CN1118940C - 一种锁相环路的环路滤波器 - Google Patents

一种锁相环路的环路滤波器 Download PDF

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Publication number
CN1118940C
CN1118940C CN96190290A CN96190290A CN1118940C CN 1118940 C CN1118940 C CN 1118940C CN 96190290 A CN96190290 A CN 96190290A CN 96190290 A CN96190290 A CN 96190290A CN 1118940 C CN1118940 C CN 1118940C
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CN
China
Prior art keywords
voltage
output
operational amplifier
phase
charge pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN96190290A
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English (en)
Chinese (zh)
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CN1149944A (zh
Inventor
安德雷·德克尔
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Nokia Solutions and Networks Oy
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Nokia Telecommunications Oy
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Publication date
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Publication of CN1149944A publication Critical patent/CN1149944A/zh
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Publication of CN1118940C publication Critical patent/CN1118940C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Networks Using Active Elements (AREA)
CN96190290A 1995-04-04 1996-03-12 一种锁相环路的环路滤波器 Expired - Lifetime CN1118940C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI951604A FI97579C (fi) 1995-04-04 1995-04-04 Vaihelukitun silmukan silmukkasuodatin
FI951604 1995-04-04

Publications (2)

Publication Number Publication Date
CN1149944A CN1149944A (zh) 1997-05-14
CN1118940C true CN1118940C (zh) 2003-08-20

Family

ID=8543181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96190290A Expired - Lifetime CN1118940C (zh) 1995-04-04 1996-03-12 一种锁相环路的环路滤波器

Country Status (10)

Country Link
US (1) US5783971A (fr)
EP (1) EP0764367B1 (fr)
JP (1) JPH10501671A (fr)
CN (1) CN1118940C (fr)
AT (1) ATE195205T1 (fr)
AU (1) AU706217B2 (fr)
DE (1) DE69609578T2 (fr)
FI (1) FI97579C (fr)
NO (1) NO965166L (fr)
WO (1) WO1996031951A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1633028B (zh) * 2005-01-25 2010-04-28 威盛电子股份有限公司 锁相回路和其应用的回路滤波器

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6642758B1 (en) 1998-11-03 2003-11-04 Altera Corporation Voltage, temperature, and process independent programmable phase shift for PLL
US6836164B1 (en) * 1998-11-03 2004-12-28 Altera Corporation Programmable phase shift circuitry
US7109765B1 (en) 1998-11-03 2006-09-19 Altera Corporation Programmable phase shift circuitry
US6650720B1 (en) * 1998-12-22 2003-11-18 Xilinx, Inc. Phase lock loop and transconductance circuit for clock recovery
US6606364B1 (en) * 1999-03-04 2003-08-12 Harris Corporation Multiple data rate bit synchronizer having phase/frequency detector gain constant proportional to PLL clock divider ratio
US6993106B1 (en) 1999-08-11 2006-01-31 Broadcom Corporation Fast acquisition phase locked loop using a current DAC
US6389092B1 (en) * 1999-08-11 2002-05-14 Newport Communications, Inc. Stable phase locked loop having separated pole
US6526113B1 (en) 1999-08-11 2003-02-25 Broadcom Corporation GM cell based control loops
US6826246B1 (en) * 1999-10-15 2004-11-30 Agere Systems, Inc. Phase locked loop with control voltage centering
US6522204B1 (en) * 2000-11-28 2003-02-18 Texas Instruments Incorporated Phase-locked loop for ADSL frequency locking applications
CN100341269C (zh) * 2001-03-20 2007-10-03 Gct半导体有限公司 使用分数补偿方法的分数－n频率合成器
US6429734B1 (en) 2001-12-19 2002-08-06 Neoaxiom Corporation Differential active loop filter for phase locked loop circuits
US6677789B1 (en) 2002-09-10 2004-01-13 Nokia Corporation Rail-to-rail linear charge pump
US6806751B2 (en) * 2002-09-12 2004-10-19 Foundry Networks, Inc. Loop filter for a phase-locked loop and method for switching
CN101204012B (zh) * 2005-06-21 2012-08-29 Nxp股份有限公司 在切换式带宽反馈回路中使用自适应低通滤波器的锁相环系统
US7345550B2 (en) * 2005-12-05 2008-03-18 Sirific Wireless Corporation Type II phase locked loop using dual path and dual varactors to reduce loop filter components
JP4598691B2 (ja) * 2006-02-22 2010-12-15 富士通セミコンダクター株式会社 Ｐｌｌ回路及び半導体装置
CN101651456B (zh) * 2008-08-12 2012-03-21 博通集成电路（上海）有限公司 时钟信号恢复的电路
US8552772B2 (en) * 2011-01-06 2013-10-08 Asahi Kasei Microdevices Corporation Loop filter buffer with level shifter
US8558592B2 (en) * 2011-02-03 2013-10-15 Texas Instruments Incorporated Charge pump and active filter for a feedback circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970472A (en) * 1989-09-01 1990-11-13 Delco Electronics Corporation Compensated phase locked loop circuit
CN2125147U (zh) * 1992-03-28 1992-12-16 姚豪杰 静止式电能表
US5382923A (en) * 1992-06-12 1995-01-17 Shinko Electric Industries Co., Ltd. Charge-pump circuit for use in phase locked loop
EP0642227A1 (fr) * 1993-09-07 1995-03-08 Nec Corporation Circuit de boucle à verrouillage de phase comportant une pompe de charge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2788797B2 (ja) * 1991-06-13 1998-08-20 日本電気株式会社 位相同期ループ回路
US5121085A (en) * 1991-06-28 1992-06-09 Digital Equipment Corporation Dual-charge-pump bandwidth-switched phase-locked loop
US5414741A (en) * 1993-10-14 1995-05-09 Litton Systems, Inc. Low phase noise oscillator frequency control apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970472A (en) * 1989-09-01 1990-11-13 Delco Electronics Corporation Compensated phase locked loop circuit
CN2125147U (zh) * 1992-03-28 1992-12-16 姚豪杰 静止式电能表
US5382923A (en) * 1992-06-12 1995-01-17 Shinko Electric Industries Co., Ltd. Charge-pump circuit for use in phase locked loop
EP0642227A1 (fr) * 1993-09-07 1995-03-08 Nec Corporation Circuit de boucle à verrouillage de phase comportant une pompe de charge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1633028B (zh) * 2005-01-25 2010-04-28 威盛电子股份有限公司 锁相回路和其应用的回路滤波器

Also Published As

Publication number Publication date
CN1149944A (zh) 1997-05-14
FI97579B (fi) 1996-09-30
JPH10501671A (ja) 1998-02-10
FI951604A0 (fi) 1995-04-04
EP0764367A2 (fr) 1997-03-26
DE69609578D1 (de) 2000-09-07
EP0764367B1 (fr) 2000-08-02
NO965166L (no) 1997-02-03
WO1996031951A3 (fr) 1996-11-07
WO1996031951A2 (fr) 1996-10-10
NO965166D0 (no) 1996-12-03
ATE195205T1 (de) 2000-08-15
AU4881896A (en) 1996-10-23
US5783971A (en) 1998-07-21
DE69609578T2 (de) 2001-04-05
AU706217B2 (en) 1999-06-10
FI97579C (fi) 1997-01-10

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Patentee after: Nokia Siemens Networks Ltd.

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